#include<stdio.h>

int main013(void) {
	int a = 10;
	void* ptr = &a;
	printf("a==%d\n", *(int*)ptr);

	unsigned char a1 = 5;
	unsigned char b1 = 9;
	unsigned char result;

	result = a1 & b1;
	printf("a&b=%d\n", result);

	return 0;
}